These rocks are called yooperlite. They look normal, but they do something pretty cool under a black light. My main channel NileRed: null ------------------------------------------------------------------------------- NileRed/NileBlue Store - null ------------------------------------------------------------------------------- ■ NileBlue is now available alongside NileRed on Nebula! https://go.nebula.tv/nilered (when signing up with this link, a portion of your membership directly supports the channel) Join the community: Patreon - https://www.patreon.com/nilered Discord - https://discord.com/invite/3BT6UHf NileRed Newsletter - https://nile.red/home#newsletter You can also find me here: Facebook - https://m.facebook.com/NileRed2 Instagram - https://m.instagram.com/nile.red Twitter - https://mobile.twitter.com/NileRed2 Nile talks about lab safety: https://www.youtube.com/watch?v=ftACSEJ6DZA #shorts